Dropbox kommt nicht mehr auf die Beine unter KDE Plasma

socket(PF_LOCAL, SOCK_STREAM, 0)        = 3
fcntl(3, F_GETFL)                       = 0x2 (flags O_RDWR)
fcntl(3, F_SETFL, O_RDWR|O_NONBLOCK)    = 0

connect(3, {sa_family=AF_LOCAL, sun_path="/home/hazel/.dropbox/command_socket"}, 38) = 0

poll([{fd=3, events=POLLOUT}], 1, 5000) = 1 ([{fd=3, revents=POLLOUT}])
sendto(3, "needs_link\ndone\n", 16, 0, NULL, 0) = 16
mmap(NULL, 8392704, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb186951000
mprotect(0x7fb186951000, 4096, PROT_NONE) = 0
clone(child_stack=0x7fb187150ff0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tidptr=0x7fb1871519d0, tls=0x7fb187151700, child_tidptr=0x7fb1871519d0) = 3277
futex(0x1437810, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 0, NULL, ffffffff) = 0
futex(0x1306680, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 0, NULL, ffffffff) = -1 EAGAIN (Resource temporarily unavailable)
poll([{fd=3, events=POLLIN}], 1, 5000)  = 1 ([{fd=3, revents=POLLIN}])
recvfrom(3, "notok\nIllegal Argument: No clien"..., 4096, 0, NULL, NULL) = 63
futex(0x13066b0, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 0, NULL, ffffffff) = 0
close(3)                                = 0

socket(PF_LOCAL, SOCK_STREAM, 0)        = 3
fcntl(3, F_GETFL)                       = 0x2 (flags O_RDWR)
fcntl(3, F_SETFL, O_RDWR|O_NONBLOCK)    = 0

connect(3, {sa_family=AF_LOCAL, sun_path="/home/hazel/.dropbox/command_socket"}, 38) = -1 ECONNREFUSED (Connection refused)

write(1, "Dropbox isn't running!\n", 23) = 23
close(3)                                = 0

ECONNREFUSED
              A connect() on a stream socket found no one listening on the
              remote address.